SOLUTION: Please help me find the vertex and intercepts for this quadratic function, and help me to sketch its graph. y = x^2 + 4x

Question 25934: Please help me find the vertex and intercepts for this quadratic function, and help me to sketch its graph.
y = x^2 + 4x
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
PLEASE SEE THE FOLLOWING EXAMPLE AND DO ACCORDINGLY.IF YOU STILL HAVE DIFFICULTY COME BACK AND WE WILL HELP YOU.
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Please help me find the vertex and intercepts for this quadratic function, and help me to sketch its graph.
y = x^2 - 6x
Y=(X-3)^2-9...THIS HAS VERTEX AT X=3 AND ITS VALUE IS
Y=(3-3)^2-9=-9
GRAPH IS OBTAINED BY GIVING DIFFERENT VALUES TO X AND INDING THE CORRESPONDING VALUES OF Y AND PLOTTING THEM TO A SUITABLE SCALE
X=........0........1.........2...........3..........ETC.....
Y=X^2-6X..0........-5........-8..........-9.........ETC....
THE GRAPH WILL LOOK LIKE THIS

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